Janibell bag liner comes in one accordion folded tube roll that allows you to create different sizes of bags at any given time. There is no waste of bag material on half empty bags. And you don't have to wait until the bag is full. With Janibell you will save Time, Money, Resources and promote Hygienic living with the trash disposal system. Each refill is over 70 feet long. Equivalent to 360 - 480 bags.